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3 questions
18
votes
11
answers
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Why is using System.out.println() so bad? [closed]
Of course, it is very good use to use a logging framework for the error messages or warnings. But sometimes I use System.out.println() if I want to try something new in a short time.
Is it really so ...
17
votes
3
answers
43k
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How to test the data access layer?
I have a DAO method that utilizes Spring for JDBC access. It calculates a seller's success rate of selling an item.
Here is the code:
public BigDecimal getSellingSuccessRate(long seller_id) {
...
7
votes
3
answers
384
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When module calling gets ugly
Has this ever happened to you? You've got a suite of well designed, single-responsibility modules, covered by unit tests. In any higher-level function you code, you are (95% of the code) simply ...